Table 4.

Prediction of verbal memory factor by the 4 clusters (N = 169)

Cluster	R2	Adjusted R2	Std. Error of the Estimate	R2 Change	Sig. F Change
1. Sociodemographic	0.21	0.20	0.90	21%	<0.01*
2. Clinical	0.23	0.20	0.90	2%	0.41
3. Physical	0.25	0.19	0.90	1%	0.53
4. Mental	0.25	0.18	0.91	1%	0.83
		Unstandardized Coefficients		Standardized Coefficients
Variables of final model (4)		B	Std. Error	Beta	Sig.
(Constant)		0.01	10.20		0.99
Sex		0.57	0.15	0.28	<0.01*
Age		−0.01	0.01	−0.11	0.14
Education		0.58	0.15	0.29	<0.01*
Hemisphere		0.16	0.16	0.08	0.31
Antiepileptic drugs		0.09	0.18	0.04	0.61
Radiotherapy		0.13	0.15	0.06	0.40
Chemotherapy		−0.15	0.27	−0.04	0.59
Disease duration		−0.01	0.01	−0.06	0.47
SF-36 physical component summary score		0.00	0.01	0.00	0.97
QLQ BN-20 visual disorder		0.05	0.05	0.08	0.36
QLQ BN-20 motor dysfunction		−0.06	0.06	−0.08	0.35
SF-36 mental component summary score		0.00	0.01	0.02	0.86
MFI mental fatigue		−0.01	0.02	−0.03	0.68
QLQ BN-20 communication deficit		−0.04	0.04	−0.09	0.32
QLQ BN-20 future uncertainty		0.02	0.03	0.04	0.64

Abbreviations: MFI, Multidimensional Fatigue Inventory; QLQ BN-20, Brain cancer specific Quality of Life Questionnaire; SF-36, Medical Outcomes Study Short-Form 36; Std., standard; Sig., significant.